/**
 * Copyright (c) 2011 ~ 2013 Deepin, Inc.
 *               2011 ~ 2013 jouyouyun
 *
 * Author:      jouyouyun <jouyouwen717@gmail.com>
 * Maintainer:  jouyouyun <jouyouwen717@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 **/

package main

import (
        "dbus/org/fcitx/fcitx"
        "dlib/dbus"
        "fmt"
        "os"
        "os/exec"
)

type Manager struct{}

const (
        LAYOUT_DEST = "com.deepin.example.Layout"
        LAYOUT_PATH = "/com/deepin/example/Layout"
        LAYOUT_IFC  = "com.deepin.example.Layout"
)

var (
        kbdObj *fcitx.Keyboard
)

func (op *Manager) GetDBusInfo() dbus.DBusInfo {
        return dbus.DBusInfo{
                LAYOUT_DEST,
                LAYOUT_PATH,
                LAYOUT_IFC,
        }
}

func (op *Manager) SetKeyboardLayout(layout, option string) {
        setLayout(layout, option)
}

func setLayout(layout, option string) {
        args := []string{}
        args = append(args, "-layout")
        args = append(args, layout)
        //args = append(args, "-model")
        //args = append(args, model)
        args = append(args, "-option")
        args = append(args, option)
        exec.Command("/usr/bin/setxkbmap", args...).Run()

        kbdObj.SetDefaultLayout(layout, option)
}

func main() {
        var err error
        kbdObj, err = fcitx.NewKeyboard("org.fcitx.Fcitx",
                "/keyboard")
        if err != nil {
                fmt.Println("New Fcitx Keyboard Failed: ", err)
                return
        }
        m := &Manager{}

        err = dbus.InstallOnSession(m)
        if err != nil {
                fmt.Println("Install DBus Failed: ", err)
                return
        }
        dbus.DealWithUnhandledMessage()

        if err = dbus.Wait(); err != nil {
                fmt.Println("Lost DBus: ", err)
                os.Exit(-1)
        } else {
                os.Exit(0)
        }
}
